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US 12,372,192 B2Granted
Duct for a fluid to be transported, in particular in a motor vehicle
AssigneeHutchinson
InventorsDavide Pastena, Claudio Ramaro, Nicola Moretti, Katia Rossi
Life of this patent
Estimating the term…
Abstract
A duct includes an inner tube configured to have fluid flow through to be transported and an outer tube surrounding the inner tube. The outer tube defines, in its interior, a plurality of auxiliary channels, which extend in the longitudinal direction of the outer tube and are designed to contain or have a further auxiliary fluid flow through, which is configured to thermally interact with the fluid to be transported.
Claims17
A duct for a fluid to be transported in a motor vehicle;
- said duct comprising:
- an inner tube, which is arranged on an inside of the duct and is configured to have said fluid to be transported flow through, and
- an outer tube made of an elastomer, which is arranged radially outside and surrounding the inner tube and is extruded around said inner tube;
- wherein the inner tube and the outer tube are a first tube and a second tube, the first tube and the second tube being structurally distinct from each other;
- wherein the inner tube and the outer tube form a flexible conduit;
- wherein the outer tube defines, in an interior, a plurality of auxiliary channels made in an intermediate position between a radially inner wall and a radially outer wall of said outer tube;
- said auxiliary channels being formed within a thickness of the outer tube and said auxiliary channels being exclusively defined by material of the outer tube;
- said auxiliary channels extending in a longitudinal direction of said outer tube and being configured to contain or have flowing through an auxiliary fluid, which is adapted to thermally interact with said fluid to be transported and to thermally insulate said fluid to be transported relative to an external environment.
5 more elements
A method of manufacturing a duct for a fluid to be transported in a motor vehicle;
- the method comprising:
- arranging an inner tube on an inside of the duct, the inner tube being configured to have said fluid to be transported flow through;
- extruding an outer tube made of an elastomer radially outward and surrounding the inner tube and forming a flexible conduit;
- wherein the inner tube and the outer tube are a first tube and a separate second tube, the first tube and the second tube being structurally distinct from each other;
- forming a plurality of auxiliary channels made in an intermediate position between a radially inner wall and a radially outer wall of said outer tube within a thickness of the outer tube;
- said auxiliary channels being exclusively defined by material of the outer tube;
- said auxiliary channels extending in a longitudinal direction of said outer tube and being configured to contain or have flowing through a further auxiliary fluid, which is adapted to thermally interact with said fluid to be transported and to thermally insulate said fluid to be transported relative to an external environment.
4 more elements
Dependencies are inferred from the claim text.